One API returns allow, challenge, or deny for any costly action in under 50 ms, then improves the next decision based on what happened: credit burn, conversion, chargeback. No browser fingerprinting required. Free tier: 10,000 events/month, no card required.
Haven is a capability routing network for AI agents. When an agent hits work that needs another agent’s capability, it can find a peer, delegate bounded work, and get evidence back, so a capability gap becomes a routing step instead of a dead end.